ProAstro

Explore Scientific 2" 100° Series Argon-Purged Waterproof Eyepiece - 14mm   Using advanced computer design, combinations of low dispersion and high...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series eyepieces are hyper-wide class oculars that can trans...

Eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is departure point...

Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workhorse for visual observers. If you love deep sky observi...

Often considered the perfect mid-range focal length for most amateur telescopes, the 20mm on the ED127 at f7.5 produces a 1 degree true field of ...

Long considered the “standard” eyepiece that is often supplied with telescopes that are sold by various suppliers, the 25mm focal length category i...

Loved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which floods your dilated eye with light, which is needed to ...

The longest focal length in the 52° Series with the longest eye relief, the 40mm is also the only 2.0-inch O.D. eyepiece in this series. Explore ...

Mid-range high power eyepieces like the 6.5mm are instrumental when transitioning through magnifications to observe an object until it is best seen...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

Explore Scientific 1.25" 82° Series Argon-Purged Waterproof Eyepiece - 11 mm Using advanced computer design, combinations of low dispersion and hig...

Explore Scientific 1.25" 82° Series Argon-Purged Waterproof Eyepiece - 18 mm The 18mm 82° Series Waterproof Argon-Purged Eyepiece is a popular foca...

Explore Scientific 1.25" 82° Series Argon-Purged Waterproof Eyepiece - 4.7 mm The Explore Scientific 4.7mm 82° Series Argon-Purged Waterproof Eyepi...

Explore Scientific 1.25" 82° Series Argon-Purged Waterproof Eyepiece - 8.8mm Using advanced computer design, combinations of low dispersion and hig...